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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 476 (Engine Control System (DTC/Circuit Diagnosis) (3 Of 3)) >> DTC/Circuit Diagnosis >> On Board Refueling Vapor Recovery (ORVR) >> Component Inspection (Refueling EVAP vapor cut valve)

Component Inspection (Refueling EVAP vapor cut valve)

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECTION START 

    Do you have CONSULT?

    Do you have CONSULT?

    YES

    GO TO 2.

    NO

    GO TO 3.

  2. CHECK REFUELING EVAP VAPOR CUT VALVE 

    SYMBOL With CONSULT

    1. Turn ignition switch OFF.
    2. Remove fuel tank. Refer to Removal and Installation - VQ40DE .
    3. Drain fuel from the tank as follows:
      1. Remove fuel feed hose located on the fuel gauge retainer.
      2. Connect a spare fuel hose, one side to fuel gauge retainer where the hose was removed and the other side to a fuel container.
      3. Drain fuel using "FUEL PUMP RELAY" in "ACTIVE TEST" mode of "ENGINE" using CONSULT.
    4. Check refueling EVAP vapor cut valve for being stuck to close as follows.

      Blow air into the refueling EVAP vapor cut valve (from the end of EVAP/ORVR line hose), and check that the air flows freely into the tank.

    5. Check refueling EVAP vapor cut valve for being stuck to open as follows.
      1. Connect vacuum pump to hose end.
      2. Remove fuel gauge retainer with fuel gauge unit.

        Always replace O-ring with new one.

      3. Turn fuel tank upside down.
      4. Apply vacuum pressure to hose end [-13.3 kPa (-0.136 kg/cm 3 , -1.93 psi)] with fuel gauge retainer remaining open and check that the pressure is applicable.
        G04132535Courtesy of NISSAN NORTH AMERICA, INC.

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace refueling EVAP vapor cut valve with fuel tank.

  3. CHECK REFUELING EVAP VAPOR CUT VALVE 

    SYMBOL Without CONSULT

    1. Turn ignition switch OFF.
    2. Remove fuel tank. Refer to Removal and Installation - VQ40DE .
    3. Drain fuel from the tank as follows:
      1. Remove fuel gauge retainer.
      2. Drain fuel from the tank using a handy pump into a fuel container.
    4. Check refueling EVAP vapor cut valve for being stuck to close as follows.

      Blow air into the refueling EVAP vapor cut valve (from the end of EVAP/ORVR line hose), and check that the air flows freely into the tank.

    5. Check refueling EVAP vapor cut valve for being stuck to open as follows.
      1. Connect vacuum pump to hose end.
      2. Remove fuel gauge retainer with fuel gauge unit.

        Always replace O-ring with new one.

      3. Turn fuel tank upside down.
      4. Apply vacuum pressure to hose end [-13.3 kPa (-0.136 kg/cm 3 , -1.93 psi)] with fuel gauge retainer remaining open and check that the pressure is applicable.
        G04132535Courtesy of NISSAN NORTH AMERICA, INC.

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace refueling EVAP vapor cut valve with fuel tank. Refer to Removal and Installation - VQ40DE .

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